Home / 74,020.49-111,029.70-17,860.13

Finding the Fourth Proportional to 74,020.49, 111,029.70 and 17,860.13

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Solution

The fourth proportional to 74,020.49, 111,029.70 and 17,860.13 is: 26,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,020.49 : 111,029.70 = 17,860.13 : x
  2. Step 2: Convert to fraction form
    74,020.49/111,029.70 = 17,860.13/x
  3. Step 3: Cross multiply
    74,020.49x = 111,029.70 × 17,860.13
  4. Step 4: Simplify right side
    74,020.49x = 1,983,004,875.86
  5. Step 5: Solve for x
    x = 1,983,004,875.86/74,020.49
  6. Step 6: Final answer
    x = 26,789.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.